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// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file *
// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
// * with the License.  You may obtain a copy of the License at                                                              *
// *                                                                                                                         *
// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
// *                                                                                                                         *
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// ***************************************************************************************************************************
package org.apache.juneau.serializer;

import static org.apache.juneau.internal.StringUtils.*;

import org.apache.juneau.*;

/**
 * Class for listening for serialize events during a serialization.
 */
public class SerializerListener {
	
	/**
	 * Represents no serializer listener.
	 */
	public static final class Null extends SerializerListener {}

	/**
	 * Called when an exception is thrown when trying to call a bean getter method.
	 * 
	 * @param session The serializer session.
	 * @param t The throwable that was thrown by the getter method.
	 * @param p The bean property we had an issue on.
	 */
	public void onBeanGetterException(SerializerSession session, Throwable t, BeanPropertyMeta p) {
		onError(session, t, format("Could not call getValue() on property ''{0}'' of class ''{1}'', exception = {2}",
			p.getName(), p.getBeanMeta().getClassMeta(), t.getLocalizedMessage()));
	}

	/**
	 * Called when an error occurs during serialization but is ignored.
	 * 
	 * @param session The serializer session.
	 * @param t The throwable that was thrown by the getter method.
	 * @param msg The error message.
	 */
	public void onError(SerializerSession session, Throwable t, String msg) {
		// Do something with this information.
	}
}
